Is your Mac up to date with the latest version of the Mac operating system (macOS or OS X)? Is it using the version required by some product or feature? Which versions are earlier (older) or later (newer, more recent) than the version currently installed? To find out, learn which version is installed now.
If your macOS isn't up to date, you may be able to update to a later version.
Jul 22, 2019 If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps installed by macOS, such as Safari, iTunes, Books, Messages, Mail, Calendar, and Photos. Mac Tools Social Media. Mac Tools Customers are proud to show that Mac Tools are Great to Work With™. So, we are eager to have you connect with us via Facebook, Instagram, and Twitter to share your experiences with the brand, our products, partners, and our entire Mac Tools team. Jan 31, 2018 CheckBuilderPro is easy to use. Everything is laid out in a logical, easy to use fashion - it's simple to build your own checks:. Copy the info from an existing check. Customize as you wish. Make a few small adjustments. Print and you're done!
Which macOS version is installed?
From the Apple menu in the corner of your screen, choose About This Mac. You'll see the macOS name, such as macOS Mojave, followed by its version number. If some product or feature requires you to know the build number as well, click the version number to see it.
This example shows macOS Mojave version 10.14 build 18A391.
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Which macOS version is the latest?
These are all Mac operating systems, starting with the most recent. When a major new macOS is released, it gets a new name, such as macOS Mojave. And as updates that change the macOS version number become available, this article is updated to show the latest version of that macOS.
If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps installed by macOS, such as Safari, iTunes, Books, Messages, Mail, Calendar, and Photos.
| macOS | Latest version |
|---|---|
| macOS Catalina (coming soon) | 10.15 Beta |
| macOS Mojave | 10.14.6 |
| macOS High Sierra | 10.13.6 |
| macOS Sierra | 10.12.6 |
| OS X El Capitan | 10.11.6 |
| OS X Yosemite | 10.10.5 |
| OS X Mavericks | 10.9.5 |
| OS X Mountain Lion | 10.8.5 |
| OS X Lion | 10.7.5 |
| Mac OS X Snow Leopard | 10.6.8 |
| Mac OS X Leopard | 10.5.8 |
| Mac OS X Tiger | 10.4.11 |
| Mac OS X Panther | 10.3.9 |
| Mac OS X Jaguar | 10.2.8 |
| Mac OS X Puma | 10.1.5 |
| Mac OS X Cheetah | 10.0.4 |
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- Always use the macOS that came with your Mac, or a compatible newer version.
- Learn how to reinstall macOS from macOS Recovery.